H59 250KVA 33KV 410V

Basic equipment :

• 3 HV plug-in bushings
  • fixed parts type 24KV/250A on 24KV series
  • fixed parts type 36KV/400A on 36KV series
• 4 LV porcelain bushings
• 3-position de-energising switch
• Filling port
• 2 Lifting and draining rings
• 2 earthing points
• Nameplate, warranty seal
• 1 Dial thermometer
• 1 Oil level indicator
• 4 Adjustable rollers.

Optional equipment :

• 3 Plug-in bushings, straight or angled moving parts, corresponding to the fixed parts. In this case, it is essential to specify the cable characteristics (type, cross-section, diameter on insulation).
• 3 HV porcelain bushings
• 4 LV busbar bushings
• 1 locking system for plug-in bushings and switch, lock not supplied
• 1 Lead-sealable protective cover on LV bushings (only in the case of plug-in MV bushings)
• Protection and control devices: Thermostat, multi-function protection relay (DGPT2 or DMCR).

Tank colour :
- Cement Grey RAL 7033.

General characteristics :

Standards and specifications :

• IEC 60076 (Publications 1- 2 - 3 - 4 and 5)
• EN 50464 - 1
• D60 - P60 ONEE - Electricity branch.

Power range :

• 50 - 100 - 160 - 250 - 315 - 400 - 500 - 630 KVA
• Other power ratings between 25 and 630 KVA on request.

Description :

Three-phase distribution transformers, hermetically sealed with total filling, immersed in ONAN naturally cooled mineral oil.
Special protection of the tank against corrosion.

Type :

Indoor or Outdoor
Immersed in oil/ hermetically sealed
Breathable type with preservative on request.
Frequency :

50 Hz
60 Hz: Consult us.
Operating voltages :
 
MV: from 5.5 KV to 33KV
- Single voltage: 5.5 - 6 - 6.6 - 10 - 15 - 20 - 22- 30, and 33 KV (Isolation: 24 - 36 KV)
- Dual voltage: (Switchable) 5.5/20 KV and 5.5/22KV...
- Other voltages on request.

LV: 400 V no-load between phases - 231 V between phase and neutral.
- Other voltages on request.

Voltage-free adjustment :
- Standard range: ± 5 % on MV by switch that can be operated off-load.
- Other setting ranges are possible on request.